Kvisle figured it out! Yes it is indeed old place-holder music. It was recorded by our old friend elfan for a previous game we worked on, and ever since then we've wanted to sneak it into a game somewhere.

I just got this while messing around searching for a clue...nervous laughter moment, googled it, and ended up in this thread :) I hope there are more in this or in future episodes, I'm having a blast! :)